Note 3 - Net Income (Loss) Per Share (Details Textual) shares in Millions, $ in Millions	May 14, 2025 USD ($) shares
Conversion of the 2026 Notes Into 2029 Notes [Member]
Debt Conversion, Original Debt, Amount \| $	$ 70.8
Conversion of the 2026 Notes Into Common Stock [Member]
Debt Conversion, Converted Instrument, Shares Issued (in shares) \| shares	10

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

Name:	us-gaap_DebtConversionConvertedInstrumentSharesIssued1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration